How do I enable rsh services in Red Hat Enterprise Linux 4 for all users including root?

Begin by enabling rsh services as follows:

# up2date rsh-server
# chkconfig rsh on
# chkconfig rexec on
# chkconfig rlogin on

Edit the /etc/securetty, add the following:

rsh
rexec
rlogin

Update the following PAM-related files to allow remote logins from other systems. First, edit the /etc/pam.d/rlogin...